Question

Resolva a equacao exponencial 5^3x-5=625

Answer 1

${5}^{3x - 5} = 625$

fatore o 625
625 | 5
125 | 5
25 | 5
5 | 5
1
${5}^{4}$

3x-5=4
3x=4+5
3x=9
x=9/3
x=3